Home / 11,638.85-17,459.00-5,789.57

Finding the Fourth Proportional to 11,638.85, 17,459.00 and 5,789.57

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Solution

The fourth proportional to 11,638.85, 17,459.00 and 5,789.57 is: 8,684.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,638.85 : 17,459.00 = 5,789.57 : x
  2. Step 2: Convert to fraction form
    11,638.85/17,459.00 = 5,789.57/x
  3. Step 3: Cross multiply
    11,638.85x = 17,459.00 × 5,789.57
  4. Step 4: Simplify right side
    11,638.85x = 101,080,073.68
  5. Step 5: Solve for x
    x = 101,080,073.68/11,638.85
  6. Step 6: Final answer
    x = 8,684.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.